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Finding the Fourth Proportional to 15,667.80, 23,506.04 and 7,236.88

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Solution

The fourth proportional to 15,667.80, 23,506.04 and 7,236.88 is: 10,857.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,667.80 : 23,506.04 = 7,236.88 : x
  2. Step 2: Convert to fraction form
    15,667.80/23,506.04 = 7,236.88/x
  3. Step 3: Cross multiply
    15,667.80x = 23,506.04 × 7,236.88
  4. Step 4: Simplify right side
    15,667.80x = 170,110,390.76
  5. Step 5: Solve for x
    x = 170,110,390.76/15,667.80
  6. Step 6: Final answer
    x = 10,857.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.